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Finding the Fourth Proportional to 7,903.39, 11,856.38 and 2,973.44

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Solution

The fourth proportional to 7,903.39, 11,856.38 and 2,973.44 is: 4,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.39 : 11,856.38 = 2,973.44 : x
  2. Step 2: Convert to fraction form
    7,903.39/11,856.38 = 2,973.44/x
  3. Step 3: Cross multiply
    7,903.39x = 11,856.38 × 2,973.44
  4. Step 4: Simplify right side
    7,903.39x = 35,254,234.55
  5. Step 5: Solve for x
    x = 35,254,234.55/7,903.39
  6. Step 6: Final answer
    x = 4,460.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.